Which option shows a gaseous solvent situation?
Answer and explanation
Correct answer: Air
Air is a homogeneous gaseous mixture. Its major component, nitrogen, provides the continuous gaseous medium and is therefore treated as the solvent; oxygen and other gases are present as solutes. Salt water and soda water have liquid water as solvent, whereas brass is a solid alloy with a solid metallic solvent. Hence air is the only option showing a gaseous solvent situation, so A is correct.
Frequently asked questions
What is the correct answer to this question?
Air
Why is this the correct answer?
Air is a homogeneous gaseous mixture. Its major component, nitrogen, provides the continuous gaseous medium and is therefore treated as the solvent; oxygen and other gases are present as solutes. Salt water and soda water have liquid water as solvent, whereas brass is a solid alloy with a solid metallic solvent. Hence air is the only option showing a gaseous solvent situation, so A is correct.
Which subject and chapter does this question cover?
This is a Class 9 Science question. Chapter: Exploring Mixtures and Their Separation. Topic: Solutions.
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